package com.lxb.educenter.mapper;

import com.lxb.educenter.entity.UcenterMember;
import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import org.apache.ibatis.annotations.Param;

/**
 * <p>
 * 会员表 Mapper 接口
 * </p>
 *
 * @author lixuebin
 * @since 2022-12-20
 */
public interface UcenterMemberMapper extends BaseMapper<UcenterMember> {

    /**
     * 查询某天注册人数
     *
     * @param start
     * @param end
     * @return
     */
    Integer CountRegister(@Param("start") String start, @Param("end") String end);
}
